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4BB Insider Trading

Insider Ownership Percentage: 12.07%
Insider Buying (Last 12 Months): £53,639
Insider Selling (Last 12 Months): GBX 0

4basebio Insider Trading History Chart

This chart shows the insider buying and selling history at 4basebio by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

4basebio Share Price & Price History

Current Price: GBX 528
Price Change: ▲ Price Increase of +23 (4.55%)
As of 04/17/2026 11:43 AM ET

This chart shows the closing price history over time for 4BB up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

4basebio Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/13/2026Amy WalkerInsiderBuy2,650GBX 586£15,529
2/10/2026Hansjörg PlaggemarsInsiderBuy1,000GBX 585£5,850
2/10/2026Heikki LanckrietInsiderBuy3,000GBX 576£17,280
9/29/2025Heikki LanckrietInsiderBuy2,000GBX 749£14,980
4/2/2025Heikki LanckrietInsiderBuy2,400GBX 1,205£28,920
2/28/2025Amy WalkerInsiderBuy1,151GBX 1,120£12,891.20
11/15/2024Heikki LanckrietInsiderBuy46,500GBX 1,325£616,125
See Full Table

SEC Filings (Institutional Ownership Changes) for 4basebio (LON:4BB)

0.86% of 4basebio stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

4basebio logo
4basebio is a specialist life sciences group focused on supplying therapeutic synthetic DNA for gene therapies and gene-based vaccines and providing solutions for effective and safe delivery of DNA/RNA based products to patients. Our focus is the development of high quality, GMP grade synthetic DNA as well as non-viral nanoparticles which can efficiently and safely deliver fully functional genes to patients. These products and technologies are also available for customers and partners with whom we endeavor to combine our capabilities and know-how to develop gene therapy solutions for clinical development and commercialisation.
Read More on 4basebio

Today's Range

Now: GBX 528
Low: 505
High: 528

50 Day Range

MA: GBX 529.13
Low: 470
High: 590

52 Week Range

Now: GBX 528
Low: 468
High: 1,150

Volume

55 shs

Average Volume

1,569 shs

Market Capitalization

£81.76 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.09

Who are the company insiders with the largest holdings of 4basebio?

4basebio's top insider investors include:
  1. Amy Walker (Insider)
  2. David John Roth (Insider)
  3. Hansjörg Plaggemars (Insider)
  4. Heikki Lanckriet (Insider)
Learn More about top insider investors at 4basebio.